Kamosai is the grand spring matsuri of Kamo Shrine in Imizu City, Toyama Prefecture. The special feature is the popular Yabusame mounted archery ceremony, known as Yansanma, which is held at the end of a series of rituals. It is a thrilling ceremony, in which archers shoot arrows at a target using 360cm longbows while riding stampeding horses. The matsuri is said to have been transmitted from Shimogamo Shrine in Kyoto, and is a strong reminder of the agricultural ceremonies of the Heian period. A cow-riding ceremony is also held. This unusual ritual is conducted nowhere else in Japan.